April 2017 todate – Professor in Molecualr biology and Biochemistry

Department of Chemistry, University of Colombo

 May 2006 to April 2017- Senior Lecturer

Department of Chemistry, University of Colombo

February, 2011 to February, 2012 – Guest Researcher

Department of Plant and Environmental Science, University of Göteborg, Sweden

 April 2009 to 2019 – Visiting Lecturer

Department of Chemistry, University of Kelaniya

April 2009  to date – Visiting Lecturer

Department of Botany, University of Kelaniya

June, 2004 to May 2006 – Postdoctoral Researcher

CMB- Molecular Biology, University of Göteborg, Sweden

 June , 1998 to May 2004 – Research Officer Agro & Food Technology Division, ITI, Colombo 07, Sri Lanka.

January 1997 to June 1998 – Demonstrator

Department of Botany, University of Colombo, Sri Lanka.